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How do I determine k when using k-means clustering?
...ximize the Bayesian Information Criterion (BIC):
BIC(C | X) = L(X | C) - (p / 2) * log n
where L(X | C) is the log-likelihood of the dataset X according to model C, p is the number of parameters in the model C, and n is the number of points in the dataset.
See "X-means: extending K-means with eff...
Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
.../bugs.jquery.com/ticket/13183 that breaks the Fancybox script.
Also check https://github.com/fancyapps/fancyBox/issues/485 for further reference.
As a workaround, rollback to jQuery v1.8.3 while either the jQuery bug is fixed or Fancybox is patched.
UPDATE (Jan 16, 2013): Fancybox v2.1.4 has be...
How to tell git to use the correct identity (name and email) for a given project?
...ss/"]
path = ~/.gitconfig.github # user.name and user.email for GitHub
https://motowilliams.com/conditional-includes-for-git-config#disqus_thread
To use Git 2.13 you will either need to add a PPA (Ubuntu older than 18.04/Debian) or download the binaries and install (Windows/other Linux).
...
How to print instances of a class using print()?
I am learning the ropes in Python. When I try to print an object of class Foobar using the print() function, I get an output like this:
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What is the use of the %n format specifier in C?
What is the use of the %n format specifier in C? Could anyone explain with an example?
10 Answers
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How do I configure Maven for offline development?
Does maven require a connection to the internet at some point to be able to use it? Meaning specifically getting the internal maven plugins for compiling, cleaning, packaging, etc?
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Geometric Mean: is there a built-in?
... is a way of handling zeros that was inspired by the following discussion: https://support.bioconductor.org/p/64014/
geomean <- function(x,
zero.rm = TRUE,
na.rm = TRUE,
nan.rm = TRUE,
eta = NA_real_) {
nan.coun...
Call a python function from jinja2
I am using jinja2, and I want to call a python function as a helper, using a similar syntax as if I were calling a macro. jinja2 seems intent on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
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Deleting all pending tasks in celery / rabbitmq
How can I delete all pending tasks without knowing the task_id for each task?
9 Answers
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Entity Framework - Code First - Can't Store List
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Entity Framework does not support collections of primitive types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is materialize...